MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */

/**
 * Dynamic Navigation Bars. See [[Wikipedia:NavFrame]]
 * 
 * Based on script from en.wikipedia.org, 2008-09-15.
 *
 * @source www.mediawiki.org/wiki/MediaWiki:Gadget-NavFrame.js
 * @maintainer Helder.wiki, 2012–2013
 * @maintainer Krinkle, 2013
 */
( function () {

// Set up the words in your language
var collapseCaption = 'hide';
var expandCaption = 'show';

var navigationBarHide = '[' + collapseCaption + ']';
var navigationBarShow = '[' + expandCaption + ']';

/**
 * Shows and hides content and picture (if available) of navigation bars.
 *
 * @param {number} indexNavigationBar The index of navigation bar to be toggled
 * @param {jQuery.Event} e Event object
 */
function toggleNavigationBar( indexNavigationBar, e ) {
	 var navChild,
		  navToggle = document.getElementById( 'NavToggle' + indexNavigationBar ),
		  navFrame = document.getElementById( 'NavFrame' + indexNavigationBar );

	 // Prevent browser from jumping to href "#"
	 e.preventDefault();

	 if ( !navFrame || !navToggle ) {
		  return false;
	 }

	 // If shown now
	 if ( navToggle.firstChild.data === navigationBarHide ) {
		  for ( navChild = navFrame.firstChild; navChild !== null; navChild = navChild.nextSibling ) {
			   if ( $( navChild ).hasClass( 'NavContent' ) || $( navChild ).hasClass( 'NavPic' ) ) {
					navChild.style.display = 'none';
			   }
		  }
		  navToggle.firstChild.data = navigationBarShow;

	 // If hidden now
	 } else if ( navToggle.firstChild.data === navigationBarShow ) {
		  for ( navChild = navFrame.firstChild; navChild !== null; navChild = navChild.nextSibling ) {
			   if ( $( navChild ).hasClass( 'NavContent' ) || $( navChild ).hasClass( 'NavPic' ) ) {
					navChild.style.display = 'block';
			   }
		  }
		  navToggle.firstChild.data = navigationBarHide;
	 }
}

/**
 * Adds show/hide-button to navigation bars.
 *
 * @param {jQuery} $content
 */
function createNavigationBarToggleButton( $content ) {
	 var i, j, navChild, navToggle, navToggleText, isCollapsed,
		  indexNavigationBar = 0;
	 // iterate over all < div >-elements
	 var $divs = $content.find( 'div.NavFrame' );
	 $divs.each( function ( i, navFrame ) {
		  indexNavigationBar++;
		  navToggle = document.createElement( 'a' );
		  navToggle.className = 'NavToggle';
		  navToggle.setAttribute( 'id', 'NavToggle' + indexNavigationBar );
		  navToggle.setAttribute( 'href', '#' );
		  $( navToggle ).on( 'click', $.proxy( toggleNavigationBar, null, indexNavigationBar ) );

		  isCollapsed = $( navFrame ).hasClass( 'collapsed' );
		  // backwards compatibility for old technique where the collapsed class was not yet used
		  for ( navChild = navFrame.firstChild; navChild !== null && !isCollapsed; navChild = navChild.nextSibling ) {
			   if ( $( navChild ).hasClass( 'NavPic' ) || $( navChild ).hasClass( 'NavContent' ) ) {
					if ( navChild.style.display === 'none' ) {
						 isCollapsed = true;
					}
			   }
		  }
		  if ( isCollapsed ) {
			   for ( navChild = navFrame.firstChild; navChild !== null; navChild = navChild.nextSibling ) {
					if ( $( navChild ).hasClass( 'NavPic' ) || $( navChild ).hasClass( 'NavContent' ) ) {
						 navChild.style.display = 'none';
					}
			   }
		  }
		  navToggleText = document.createTextNode( isCollapsed ? navigationBarShow : navigationBarHide );
		  navToggle.appendChild( navToggleText );

		  // Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
		  for ( j = 0; j < navFrame.childNodes.length; j++ ) {
			   if ( $( navFrame.childNodes[j] ).hasClass( 'NavHead' ) ) {
					navToggle.style.color = navFrame.childNodes[j].style.color;
					navFrame.childNodes[j].appendChild( navToggle );
			   }
		  }
		  navFrame.setAttribute( 'id', 'NavFrame' + indexNavigationBar );
	 } );
}

mw.hook( 'wikipage.content' ).add( createNavigationBarToggleButton );

}());

/**
 * Adds CSS classes to the body tag based on the categories this page belongs to
 *
 * @source https://www.mediawiki.org/wiki/Snippets/Style_pages_based_on_categories
 * @revision 2016-01-18
 */
(function($, mw) {
	 var fn = function() {
		  var cats = mw.config.get('wgCategories'), newClasses;
		  if (cats) {
			   newClasses = $.map(cats, function(el) {
					return 'cat-' + encodeURIComponent(el.replace(/[ .]/g, '_')).replace(/%/g, '_');
			   }).join(' ');
		  $(document.body).addClass(newClasses);
		  }
	 };
	 if (document.body) {
		  fn();
	 } 
	 else {
		  $(fn);
	 }
})(jQuery, mw);